<template>
  <div class="tab-control">
      <!--如果只是文字不一样 不建议用插槽  -->
    <div v-for="(item,index) in titles" :key="item.id" 
         class="tab-control-item" 
         :class="{active: index === currentIndex}"
         @click="itemClick(index)">
      <span>{{item}}</span>
    </div>
  </div>
</template>

<script>
  export default {
      name: "TabControl",
      props: {
        titles: {
          type: Array,
          default() {
            return []
          }
        }
      },
      data() {
          return {
            currentIndex: 0
          }
        },
      methods: {
        itemClick(index) {
          this.currentIndex = index
          // 向home父组件传递点击的信息
          this.$emit('tabClick', index)
        }
      }
  }
</script>

<style>
  .tab-control {
    display: flex;
    text-align: center;
    font-size: 15px;
    height: 40px;
    line-height: 40px;
    background-color: #fff;
  }
  .tab-control-item {
    flex: 1;
  }
  .tab-control-item span{
    padding: 5px;
  }
  .active {
    /* color: var(--color-high-text); */
    color: lightblue;
    
  }
  .active span {
    /* border-bottom: 3px solid var(--color-tint); */
    border-bottom: 3px solid lightblue;
  }
</style>